SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ulsan-gh.hs.kr
SSL/TLS Certificate
SSL/TLS Certificate for ulsan-gh.hs.kr
Hostname mismatch- Issued by (CA)
- Sectigo Limited
- Subject
- *.use.go.kr
- Valid from
- Dec 8, 2025
- Valid until
- Jan 8, 2027 (99 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1006BAB1E387BC91B9E9200BDEA521BB
- SHA-256 fingerprint
- 05:6D:8D:58:69:DD:0A:66:3C:1A:A8:41:4D:12:55:A7:49:55:AA:0B:1F:BF:61:66:74:7E:E5:F6:05:EB:CC:60
- Chain
- Sectigo RSA Organization Validation Secure Server CA → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Aug 30, 2026.
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Uptime
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DNS changes
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TLS certificate
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